This species is known from 4,280-4,390 m asl on the southern slopes of the Huaguruncho and Tarata peaks, in Huachón District, Pasco Province, Pasco Region, Peru (Lehr et al. 2005).
Habitat and Ecology
It occurs in high-altitude puna grassland; no other species of Phrynopus is known from elevations of nearly 4000 m (Duellman and Lehr 2009). Individuals were found under stones near small ponds (Lehr et al. 2005). This species is presumed to breed by direct development.
It is known from nine individuals collected over four person/days in 2003 (von May et al. 2008). No new surveys have been conducted in the type locality or surrounding area (E. Lehr pers. comm. March 2013).
IUCN SSC Amphibian Specialist Group 2013. Phrynopus pesantesi. In: IUCN 2014